Home / 2,381.28-3,555.66-2,048.64

Finding the Fourth Proportional to 2,381.28, 3,555.66 and 2,048.64

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Solution

The fourth proportional to 2,381.28, 3,555.66 and 2,048.64 is: 3,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.28 : 3,555.66 = 2,048.64 : x
  2. Step 2: Convert to fraction form
    2,381.28/3,555.66 = 2,048.64/x
  3. Step 3: Cross multiply
    2,381.28x = 3,555.66 × 2,048.64
  4. Step 4: Simplify right side
    2,381.28x = 7,284,267.30
  5. Step 5: Solve for x
    x = 7,284,267.30/2,381.28
  6. Step 6: Final answer
    x = 3,058.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.